Re: ATM [long] Getting the smoothest mirror (no dog biscuit)

[papilio1@juno.com (Michael Pankratz)]

I'm inclined to agree with this as well, a good way to begin each
evening's polishing session.  It may have been a trick I carried over
from lensmaking.

--Michael


Mel Bartels <mbartels@efn.org> writes:
>
>Actually, I advocate and practice just the opposite, that is, to begin 
>polishing
>whilest the mirror and tool are still warm.  They quickly generate 
>their own
>heat, coming into thermal equlibrium (may or may not be at room 
>temperature).
>By following this regime, I have been able to supress dob biscuit 
>quite
>effectively.